倍數(shù)表達(dá)法

1、倍數(shù)表達(dá)法是歷屆高考的熱點(diǎn)。當(dāng)我們要表達(dá)甲是乙的幾倍時(shí)，通?？墒褂靡韵戮湫停?.倍數(shù)as形容詞或副詞的原級(jí)as其它。這種結(jié)構(gòu)又常演變成下列兩類：①倍數(shù)asmany可數(shù)名詞復(fù)數(shù)as②倍數(shù)asmuch不可數(shù)名詞as。如：ThereareseventimesasmanypeopleasIexpected.是我預(yù)料的人數(shù)的七倍。Thereisfivetimesasmuchcoffeeinthisglassasinthatone.這個(gè)杯子里的咖啡

2、是那個(gè)杯子里的五倍。2.倍數(shù)形容詞（或副詞）的比較級(jí)than其它。如：Thehallisfivetimesbiggerthanourclassroom.這個(gè)大廳的面積比我們教師大五倍。3.倍數(shù)thesizeheightlengthwidth.etc.of其它。如：Thisroadissixtimesthelengthofthatone.這條路是那條路的六倍長(zhǎng)。4.計(jì)量名詞of名詞be倍數(shù)thatof其它。如：Thesizeofthene

3、wlybroadenedsquareisfourtimesthatofthepreviousone.新擴(kuò)建的廣場(chǎng)為以前的四倍大。5.倍數(shù)what從句。如：Theproductionisnowthreetimeswhatitwastenyearsago.現(xiàn)在的產(chǎn)量是十年前的三倍。6.倍數(shù)me名詞than其它。如：Thereareninetimesmebooksinhisbagthaninyours.【特別提醒】“as…as”中間加入名詞的

4、句式：●倍數(shù)as形容詞aan可數(shù)名詞單數(shù)as…●倍數(shù)as形容詞可數(shù)名詞復(fù)數(shù)不可數(shù)名詞as…。如：Lastyearmybrothertwiceasbiganewhouseasmine.HehascollectedmethanthreetimesasmanystampsasI(have).Ispenttwiceasmuchtimeonmystudiesasyoudid.【難點(diǎn)點(diǎn)撥】該結(jié)構(gòu)的省略：通常省略形容詞后面的名詞及比較的部分。如：Ih

5、avetotransfer(轉(zhuǎn)乘）busessoIspendtwiceasmuch(moneyasothers)fthebuseveryday.2.倍數(shù)形容詞比較級(jí)than…。如：Thisstreetisfourtimesshterthanthatone.Fearofdangeristenthoustimesmeterrifyingthandangeritself.【特別提醒】倍數(shù)形容詞比較級(jí)名詞than…。如：Heearnsfivet